All cylindrical plugs and discs are manufactured to ASME/ANSI B47.1 AGD standard and ASME/ANSI B89.1.5.美國美標進口光面規GSG螺紋規、光面規產地：美國

All cylindrical plugs and discs are manufactured to ASME/ANSI B47.1 AGD standard and ASME/ANSI B89.1.5.

1. Taperlock Plug Gages
2. ? The Taperlock gage is named because of
3. the tapered shank, which locks into the
4. tapered hole in the end of the handle.
5. ? Used for gages up to 1 ? inches
6. ? As a further aid in identification, the
7. Go and Nogo members have a different
8. length of gaging surface. It is permissible
9. to make the Nogo gage shorter because
10. it is not supposed to enter the part.
11. ? Depth steps are available upon request.
12. ? Available in Steel, Carbide and Chrome.
13. ? Gaging surfaces are hardened to Rc 58-
14. 62.
15. ? Extra long members available.